package com.atguigu.gulimall.seckill.scheduled;

import com.atguigu.gulimall.seckill.service.SeckillService;
import lombok.extern.slf4j.Slf4j;
import org.redisson.api.RLock;
import org.redisson.api.RedissonClient;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.scheduling.annotation.Scheduled;
import org.springframework.stereotype.Service;

import java.util.concurrent.TimeUnit;

/**
 * 秒杀商品定时上架
 */
@Slf4j
@Service
public class SeckillSkuScheduled {
    @Autowired
    private SeckillService seckillService;
    @Autowired
    private RedissonClient redissonClient;

    private final String LOCK_KEY = "seckill:upload:lock";
    @Scheduled(cron = "0 * * * * ? ")
    public void uploadSeckillSkuLatest3Days(){
        // 1、扫描最近三天需要上架的商品
        log.info("秒杀商品开始上架");
        RLock lock = redissonClient.getLock(LOCK_KEY);
        lock.lock(10, TimeUnit.SECONDS);
        try{
            seckillService.uploadSeckillSkuLatest3Days();
        }finally {
            lock.unlock();
            log.info("秒杀商品上架完成");
        }
    }
}
